What was the 'time if trouble'

D) when Aristocats and nobles couldn’t agree on a ruler

Explanation:

I got it right

early settlements on the subcontinent. both the indus and the ganges rivers carried rich silt from the mountains to the plains. when the rivers flooded, the silt spread over the plains and made the soil in the river valleys fertile for farming.

the correct answer on edgen is:

(c.) prevent the spread of communism.

i just took the test.